The Study of Method about the Multi-channel Simultaneous Measurement for Measuring the I-V Curve of Photovoltaic Array

Yu-Na Park; Gil-Soo Jang; Suk-Whan Ko; Gi-Hwan Kang; Jung-hun So; Young-Seok Jung; Young-Chul Ju; Hye-Mi Hwang; Hyung-Jun Song

doi:10.7836/kses.2017.37.4.023

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2017 Vol.37, Issue 4 Preview Page Next Page

The Study of Method about the Multi-channel Simultaneous Measurement for Measuring the I-V Curve of Photovoltaic Array 태양광 어레이 I-V 곡선 측정을 위한 다채널 동시 측정방법에 관한 연구

August 2017. pp. 23-33

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Abstract

A great deal of study for loss reduction of photovoltaic system is conducted currently. It is hard to distinct the fault of photovoltaic system with the naked eye. For that reason, it is essential to repair and maintain the PV system by monitoring the system. The fault of individual modules can cause the huge loss of the entire system because of the mismatch. Therefore, the method of diagnosing the PV array is necessary by measuring the multi-channel arrays simultaneously. In this paper, it is presented the method of measuring I-V curve of multi-channel arrays simultaneously by using the charge and discharge characteristics of capacitor. Generated DC power at PV arrays is charged and discharged at the capacitors in a moment. By measuring the charged voltage and current, it is possible to diagnose of performance of PV arrays.

Keywords

Photovoltaic array

I-V curve

Capacitor

키워드

태양광어레이

전류-전압 곡선

커패시터

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Information

Publisher :Korean Solar Energy Society
Publisher(Ko) :한국태양에너지학회
Journal Title :Journal of the Korean Solar Energy Society
Journal Title(Ko) :한국태양에너지학회 논문집
Volume : 37
No :4
Pages :23-33
Received Date : 2017-05-25
Revised Date : 2017-08-03
Accepted Date : 2017-08-28
DOI :https://doi.org/10.7836/kses.2017.37.4.023

Journal of the Korean Solar Energy Society ISSN:1598-6411(Print) 2508-3562(Online) 한국태양에너지학회 논문집

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